California Secretary of State listing of entities and status:
http://kepler.ss.ca.gov/list.html
This Web page is terrific!
You can look up any California corporation, limited partnership, LLC or LLP and get the SOS number, date formed,
current status, and agent.
This link is duplicated in the Finance and Business category.
Spidell Tax Service:
Spidell's tax services are familiar to California tax accountants.